"IGM" <iar### [at] gmailcom> wrote:
> 1) there is no media scattering on the central beam (that collimated by the
> reflector) while there is scattering on the direct radiation. How to obtain
> light scattering from the central beam?

I've just found the solution to the first problem (after 3 days without
results!!): the reflector and its shell must be declared hollow. Without the
"hollow" parameter, the media does not work well.

I'm really a newbie :)
IGM

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